CN105623068A - Shock-proof logistic packaging material - Google Patents
Shock-proof logistic packaging material Download PDFInfo
- Publication number
- CN105623068A CN105623068A CN201610110548.0A CN201610110548A CN105623068A CN 105623068 A CN105623068 A CN 105623068A CN 201610110548 A CN201610110548 A CN 201610110548A CN 105623068 A CN105623068 A CN 105623068A
- Authority
- CN
- China
- Prior art keywords
- packaging material
- rubber
- vulcanizing agent
- peroxide
- agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the field of logistic packaging materials and particularly relates to a shock-proof logistic packaging material. The shock-proof logistic packaging material is prepared from ethylene-alkyl acrylate copolymerization resin, a peroxide crosslinking agent, an amine vulcanizing agent, acrylate rubber, nitrile rubber, butadiene styrene rubber, chloroprene rubber, carbon black N539, polystyrene granules, polyethylene, polyvinyl chloride, rosin, phenolic resin, pottery clay, magnesium oxide, cobalt naphthenate, a titanate coupling agent, phthalic acid, salicylic acid, methyl acrylate, bis-(gamma-triethoxy silyl propyl)-tetrasulfide, an accelerant NOBS, light sodium carbonate, N-phenyl-2-naphthylamine, nanocarbon fibers, polypropylene fibers and nylon fibers. According to the shock-proof logistic packaging material, rubber serves as the main raw material supplemented with other auxiliary materials, certain rubber assistants are adopted, and thus the logistic packaging material has good shock-proof performance.
Description
Technical field
The invention belongs to logistics packaging field of material technology, be specifically related to a kind of shockproof logistics packaging material.
Background technology
Common logistics packaging material has paper, plastics, glass, metal, wood, bamboo etc., and some traditional food also can be used Folium Nelumbinis luggage plant and make packaging material. Along with the development of science and technology, new material, new technique constantly occur, the packaging material such as polyethylene, paper, glass, aluminium foil, various plastics, composite are widely used.
According to the different demarcation of logistics packaging material it is: cootle packaging, canister packaging; Packaging material for food such as plastics package, canister packaging, glass packaging; Frangible product is generally adopted paper shell packaging, bubble wrap etc.
For in logistics transportation, especially for the packaging material of special article, it is necessary to a kind of elastomeric and good packaging material of shockproof effect. Shock-resistant packaging material conventional at present has aerated film, PE Foam etc., but these materials there is also some shortcomings, for the goods that part is heavier, it is impossible to play well shockproof and protective effect.
Also have part packing not for logistics transportation, but for construction material, be not particularly suited for logistics transportation. Such as cement, potter's clay, concrete etc. can play antihunt action in earthquake disaster.
Rubber is a kind of elastomer, not only has significant high resiliency at normal temperatures, and can have this character in very big temperature range, and morphotropism is up to several times. Utilize this characteristic of rubber, be applied in logistics packaging material, goods can be played good cushioning and protection.
Therefore, it can utilize the characteristic of rubber, design a kind of shockproof logistics packaging material, be specifically designed to the conveying of special article.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of shockproof logistics packaging material.
The shockproof logistics packaging material of one of the present invention, the feature of these packaging material is, with rubber for primary raw material, is aided with other adjuvant, makes these packaging material have good shockproof and goods has good protective effect. Other adjuvant adopts granules of polystyrene polrvinyl chloride etc., but also have employed sodium rice Carbon fibe, utilizes the structure of sodium rice Carbon fibe, makes above-mentioned material play better antihunt action.
The present invention is realized by following technical scheme:
The shockproof logistics packaging material of the present invention includes the component of following parts by weight:
Ethylene/alkyl acrylate copolymer rubber 30-60 peroxide cross-linking agent 1-5
Amine curing agents 1-5 acrylate rubber 10-30
Nitrile rubber 10-30 butadiene-styrene rubber 10-30
Chloroprene rubber 10-30 white carbon black N5391-4
Granules of polystyrene 1-5 polyethylene 1-4
Polrvinyl chloride 1-5 Colophonium 1-5
Phenolic resin 1-5 potter's clay 1-4
Magnesium oxide 1-4 cobalt naphthenate 1-4
Titanate coupling agent 1-5 phthalic acid 1-5
Salicylic acid 1-5 methacrylate 1-4
Double; two-(��-tri-ethoxy silylpropyl)-tetrasulfide 1-5
Accelerant NOBS 1-5 light sodium carbonate 1-5
N-phenyl-2-naphthylamine 1-4 sodium rice Carbon fibe 1-5
Polypropylene fibre 1-4 nylon fiber 1-4.
Preferably, above-mentioned packaging material include the component of following parts by weight:
Ethylene/alkyl acrylate copolymer rubber 35-55 peroxide cross-linking agent 1-4
Amine curing agents 1-5 acrylate rubber 12-28
Nitrile rubber 12-25 butadiene-styrene rubber 12-26
Chloroprene rubber 12-28 white carbon black N5391-4
Granules of polystyrene 1-5 polyethylene 1-4
Polrvinyl chloride 1-5 Colophonium 1-5
Phenolic resin 1-5 potter's clay 1-4
Magnesium oxide 1-4 cobalt naphthenate 1-4
Titanate coupling agent 1-5 phthalic acid 1-5
Salicylic acid 1-5 methacrylate 1-4
Double; two-(��-tri-ethoxy silylpropyl)-tetrasulfide 1-5
Accelerant NOBS 1-5 light sodium carbonate 1-5
N-phenyl-2-naphthylamine 1-4 sodium rice Carbon fibe 1-5
Polypropylene fibre 1-4 nylon fiber 1-4.
It is furthermore preferred that above-mentioned packaging material include the component of following parts by weight:
Ethylene/alkyl acrylate copolymer rubber 50.45 peroxide cross-linking agent 3.37
Amine curing agents 3.15 acrylate rubber 16.48
Nitrile rubber 18.58 butadiene-styrene rubber 20.46
Chloroprene rubber 22.47 white carbon black N5393.25
Granules of polystyrene 3.44 polyethylene 2.43
Polrvinyl chloride 2.85 Colophonium 2.58
Phenolic resin 2.67 potter's clay 2.49
Magnesium oxide 2.56 cobalt naphthenate 2.18
Titanate coupling agent 3.18 phthalic acid 2.36
Salicylic acid 2.74 methacrylate 2.48
Double; two-(��-tri-ethoxy silylpropyl)-tetrasulfide 2.46
Accelerant NOBS 3.27 light sodium carbonate 2.64
N-phenyl-2-naphthylamine 2.66 sodium rice Carbon fibe 3.15
Polypropylene fibre 2.34 nylon fiber 2.61.
Preferably, above-mentioned peroxide cross-linking agent is 2,4-dichlorobenzoperoxides, benzoyl peroxide, cumyl peroxide, 2,5-diformazan-2, any one in 5-di-tert-butyl peroxide hexane, two tert-butyl peroxy compounds.
Above-mentioned peroxide cross-linking agent is the mixture of benzoyl peroxide, cumyl peroxide, benzoyl peroxide, cumyl peroxide weight ratio: 1-3:1.
Above-mentioned amine curing agents is any one in AEM Diamines vulcanizing agent MDC-70, secondary diamine vulcanizing agent, four (2-hydroxypropyl) ethylenediamine.
Above-mentioned amine curing agents is the mixture of AEM Diamines vulcanizing agent MDC-70, secondary diamine vulcanizing agent, four (2-hydroxypropyl) ethylenediamine, and the weight ratio of three is as follows: AEM Diamines vulcanizing agent MDC-70: secondary diamine vulcanizing agent: four (2-hydroxypropyl) ethylenediamine=1-3:1-4:1-4.
Preferably, above-mentioned amine curing agents is the mixture of AEM Diamines vulcanizing agent MDC-70, secondary diamine vulcanizing agent, four (2-hydroxypropyl) ethylenediamine, and the weight ratio of three is as follows: AEM Diamines vulcanizing agent MDC-70: secondary diamine vulcanizing agent: four (2-hydroxypropyl) ethylenediamine=2:3:3.
The beneficial effects of the present invention is, adopt the shockproof logistics packaging material of the present invention, these packaging material are with rubber for primary raw material, it is aided with other adjuvant, such as granules of polystyrene, polrvinyl chloride, sodium rice Carbon fibe, adopt some rubber chemicals again, make above-mentioned logistics packaging material have good shockproof properties.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described, in order to those skilled in the art knows more about the present invention, but and is not so limited the present invention.
Embodiment 1
The logistics packaging material of the present invention includes the component of following parts by weight:
Ethylene/alkyl acrylate copolymer rubber 50.45 peroxide cross-linking agent 3.37
Amine curing agents 3.15 acrylate rubber 16.48
Nitrile rubber 18.58 butadiene-styrene rubber 20.46
Chloroprene rubber 22.47 white carbon black N5393.25
Granules of polystyrene 3.44 polyethylene 2.43
Polrvinyl chloride 2.85 Colophonium 2.58
Phenolic resin 2.67 potter's clay 2.49
Magnesium oxide 2.56 cobalt naphthenate 2.18
Titanate coupling agent 3.18 phthalic acid 2.36
Salicylic acid 2.74 methacrylate 2.48
Double; two-(��-tri-ethoxy silylpropyl)-tetrasulfide 2.46
Accelerant NOBS 3.27 light sodium carbonate 2.64
N-phenyl-2-naphthylamine 2.66 sodium rice Carbon fibe 3.15
Polypropylene fibre 2.34 nylon fiber 2.61.
The initial stage physical property detection of the logistics packaging material in embodiment 1:
By packaging material press molding when 160 DEG C �� 30 minutes, with JIS5 dumbbell stamping-out, prepare the thin slice of thickness 2mm, then use this thin slice, according to JISK6251, measure fracture strength, elongation at break and hardness.
Aging rear physical property
Use the thin slice of as above same preparation, measure at 100 DEG C the elongation at break after aging 500 hours and hardness, try to achieve the rate of change of elongation at break, and try to achieve the difference of hardness and initial stage.
Flexible change
Using the thin slice of as above same preparation, according to JISK6251 standard, measuring stress when stretching 100%, thus trying to achieve 100% Modulus derivive (%).
Embodiment 2
The logistics packaging material of the present invention includes the component of following parts by weight:
Ethylene/alkyl acrylate copolymer rubber 30 peroxide cross-linking agent 1
Amine curing agents 1 acrylate rubber 10
Nitrile rubber 10 butadiene-styrene rubber 10
Chloroprene rubber 10 white carbon black N5391
Granules of polystyrene 1 polyethylene 1
Polrvinyl chloride 1 Colophonium 1
Phenolic resin 1 potter's clay 1
Magnesium oxide 1 cobalt naphthenate 1
Titanate coupling agent 1 phthalic acid 1
Salicylic acid 1 methacrylate 1
Double; two-(��-tri-ethoxy silylpropyl)-tetrasulfide 1
Accelerant NOBS 1 light sodium carbonate 1
N-phenyl-2-naphthylamine 1 sodium rice Carbon fibe 1
Polypropylene fibre 1 nylon fiber 1.
Embodiment 3
The logistics packaging material of the present invention includes the component of following parts by weight:
Ethylene/alkyl acrylate copolymer rubber 60 peroxide cross-linking agent 5
Amine curing agents 5 acrylate rubber 30
Nitrile rubber 30 butadiene-styrene rubber 30
Chloroprene rubber 30 white carbon black N5394
Granules of polystyrene 5 polyethylene 4
Polrvinyl chloride 5 Colophonium 5
Phenolic resin 5 potter's clay 4
Magnesium oxide 4 cobalt naphthenate 4
Titanate coupling agent 5 phthalic acid 5
Salicylic acid 5 methacrylate 4
Double; two-(��-tri-ethoxy silylpropyl)-tetrasulfide 5
Accelerant NOBS 5 light sodium carbonate 5
N-phenyl-2-naphthylamine 4 sodium rice Carbon fibe 5
Polypropylene fibre 4 nylon fiber 4.
As the shockproof logistics packaging material being primary raw material with rubber, the material that material has the present invention is not only needed to have enough elastic extensions, but also need certain ageing resistance, from above data, the logistics packaging material not only good springiness of the present invention, hardness is low, but also has stronger ageing resistance, adapts to the needs in logistics transportation.
Claims (8)
1. a shockproof logistics packaging material, it is characterised in that described packaging material include the component of following parts by weight:
Ethylene/alkyl acrylate copolymer rubber 30-60 peroxide cross-linking agent 1-5
Amine curing agents 1-5 acrylate rubber 10-30
Nitrile rubber 10-30 butadiene-styrene rubber 10-30
Chloroprene rubber 10-30 white carbon black N5391-4
Granules of polystyrene 1-5 polyethylene 1-4
Polrvinyl chloride 1-5 Colophonium 1-5
Phenolic resin 1-5 potter's clay 1-4
Magnesium oxide 1-4 cobalt naphthenate 1-4
Titanate coupling agent 1-5 phthalic acid 1-5
Salicylic acid 1-5 methacrylate 1-4
Double; two-(��-tri-ethoxy silylpropyl)-tetrasulfide 1-5
Accelerant NOBS 1-5 light sodium carbonate 1-5
N-phenyl-2-naphthylamine 1-4 sodium rice Carbon fibe 1-5
Polypropylene fibre 1-4 nylon fiber 1-4.
2. a kind of shockproof logistics packaging material as claimed in claim 1, it is characterised in that described packaging material include the component of following parts by weight:
Ethylene/alkyl acrylate copolymer rubber 35-55 peroxide cross-linking agent 1-4
Amine curing agents 1-5 acrylate rubber 12-28
Nitrile rubber 12-25 butadiene-styrene rubber 12-26
Chloroprene rubber 12-28 white carbon black N5391-4
Granules of polystyrene 1-5 polyethylene 1-4
Polrvinyl chloride 1-5 Colophonium 1-5
Phenolic resin 1-5 potter's clay 1-4
Magnesium oxide 1-4 cobalt naphthenate 1-4
Titanate coupling agent 1-5 phthalic acid 1-5
Salicylic acid 1-5 methacrylate 1-4
Double; two-(��-tri-ethoxy silylpropyl)-tetrasulfide 1-5
Accelerant NOBS 1-5 light sodium carbonate 1-5
N-phenyl-2-naphthylamine 1-4 sodium rice Carbon fibe 1-5
Polypropylene fibre 1-4 nylon fiber 1-4.
3. a kind of shockproof logistics packaging material as claimed in claim 1, it is characterised in that described packaging material include the component of following parts by weight:
Ethylene/alkyl acrylate copolymer rubber 50.45 peroxide cross-linking agent 3.37
Amine curing agents 3.15 acrylate rubber 16.48
Nitrile rubber 18.58 butadiene-styrene rubber 20.46
Chloroprene rubber 22.47 white carbon black N5393.25
Granules of polystyrene 3.44 polyethylene 2.43
Polrvinyl chloride 2.85 Colophonium 2.58
Phenolic resin 2.67 potter's clay 2.49
Magnesium oxide 2.56 cobalt naphthenate 2.18
Titanate coupling agent 3.18 phthalic acid 2.36
Salicylic acid 2.74 methacrylate 2.48
Double; two-(��-tri-ethoxy silylpropyl)-tetrasulfide 2.46
Accelerant NOBS 3.27 light sodium carbonate 2.64
N-phenyl-2-naphthylamine 2.66 sodium rice Carbon fibe 3.15
Polypropylene fibre 2.34 nylon fiber 2.61.
4. a kind of shockproof logistics packaging material as claimed in claim 1, it is characterized in that, described peroxide cross-linking agent is 2,4-dichlorobenzoperoxide, benzoyl peroxide, cumyl peroxide, 2,5-diformazan-2, any one in 5-di-tert-butyl peroxide hexane, two tert-butyl peroxy compounds.
5. a kind of shockproof logistics packaging material as claimed in claim 1, it is characterised in that described peroxide cross-linking agent is the mixture of benzoyl peroxide, cumyl peroxide, benzoyl peroxide, cumyl peroxide weight ratio: 1-3:1.
6. a kind of shockproof logistics packaging material as claimed in claim 1, it is characterised in that described amine curing agents is any one in AEM Diamines vulcanizing agent MDC-70, secondary diamine vulcanizing agent, four (2-hydroxypropyl) ethylenediamine.
7. a kind of shockproof logistics packaging material as claimed in claim 1, it is characterized in that, described amine curing agents is the mixture of AEM Diamines vulcanizing agent MDC-70, secondary diamine vulcanizing agent, four (2-hydroxypropyl) ethylenediamine, and the weight ratio of three is as follows: AEM Diamines vulcanizing agent MDC-70: secondary diamine vulcanizing agent: four (2-hydroxypropyl) ethylenediamine=1-3:1-4:1-4.
8. a kind of shockproof logistics packaging material as claimed in claim 1, it is characterized in that, described amine curing agents is the mixture of AEM Diamines vulcanizing agent MDC-70, secondary diamine vulcanizing agent, four (2-hydroxypropyl) ethylenediamine, and the weight ratio of three is as follows: AEM Diamines vulcanizing agent MDC-70: secondary diamine vulcanizing agent: four (2-hydroxypropyl) ethylenediamine=2:3:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610110548.0A CN105623068A (en) | 2016-02-29 | 2016-02-29 | Shock-proof logistic packaging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610110548.0A CN105623068A (en) | 2016-02-29 | 2016-02-29 | Shock-proof logistic packaging material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105623068A true CN105623068A (en) | 2016-06-01 |
Family
ID=56038442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610110548.0A Pending CN105623068A (en) | 2016-02-29 | 2016-02-29 | Shock-proof logistic packaging material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105623068A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104371180A (en) * | 2014-10-31 | 2015-02-25 | 柳州市中配橡塑配件制造有限公司 | Automobile fuel hose cover rubber and preparation method thereof |
| CN104788793A (en) * | 2014-12-29 | 2015-07-22 | 毕辉琴 | A novel polyethylene material |
-
2016
- 2016-02-29 CN CN201610110548.0A patent/CN105623068A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104371180A (en) * | 2014-10-31 | 2015-02-25 | 柳州市中配橡塑配件制造有限公司 | Automobile fuel hose cover rubber and preparation method thereof |
| CN104788793A (en) * | 2014-12-29 | 2015-07-22 | 毕辉琴 | A novel polyethylene material |
Non-Patent Citations (1)
| Title |
|---|
| 朱洪法、朱玉霞: "《工业助剂手册》", 30 June 2007, 金盾出版 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102173160B (en) | Heavy-duty thermal shrinkage polyethylene film and preparation method thereof | |
| CN104416987B (en) | A kind of polyethylene heat-shrinkage film of low thickness | |
| FR2934603B1 (en) | SELF-SWITCHING COMPOSITION FOR PNEUMATIC OBJECT. | |
| MX2017008405A (en) | Multilayer films, methods of manufacture thereof and articles comprising the same. | |
| WO2008149589A1 (en) | Rubber composition for side wall and pneumatic tire utilizing the same | |
| WO2009072600A1 (en) | Ionomer, resin composition containing the ionomer, unstretched film, sheet or molded body each made from the composition, and laminate having layer of the unstretched film | |
| AR066630A1 (en) | ARTICLES OF PLASTIC CELLULOSICAL COMPOUNDS | |
| CA2862782A1 (en) | Toughness modifier for curable resin, and curable resin composition | |
| DE60308421D1 (en) | THERMOPLASTIC MATERIAL CONTAINING VULCANIZED RUBBER IN SUBSTITUTED SHAPE | |
| CN106279914A (en) | A kind of modified poly ethylene power cable protecting pipe | |
| CN102134356B (en) | A kind of steam naked sulfuration chlorinated polythylene rubber pipe preparation raw material | |
| CN105623068A (en) | Shock-proof logistic packaging material | |
| CN105820774A (en) | Environment-friendly binding agent for corrugated carton box | |
| CN105968509A (en) | High-strength transparent plastic film | |
| CN103602285A (en) | Oil-resistant liquid sealant and preparation method thereof | |
| CN104292641A (en) | High-transparency filling material as well as preparation method and application of high-transparency filling material | |
| CN105038148A (en) | Plastic product material | |
| CN104059200B (en) | High impact polystyrene based composites and preparation method thereof | |
| CN105924762A (en) | Environment-friendly plastic packing bag | |
| MX357124B (en) | Monovinyl aromatic polymer compositions with a novel combination of stiffness and stress crack resistance. | |
| TW200708526A (en) | The transparent styrene resin composition | |
| CN103450645A (en) | Low-temperature-resistant plastic packing belt | |
| CN107619556A (en) | A kind of high-strength and ageing resistance plastic sheeting formula | |
| US2381266A (en) | Abrasive articles | |
| CN106752042A (en) | A kind of plastic material formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |
|
| RJ01 | Rejection of invention patent application after publication |